MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6abab0a0c4bfb923dfa750ab928ccdf8f4a147c6185c832afa7ec22236a6cee. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

RemcosRAT

Vendor detections: 20

Maldoc score: 30

Intelligence 20 IOCs YARA 9 File information Comments

SHA256 hash:	f6abab0a0c4bfb923dfa750ab928ccdf8f4a147c6185c832afa7ec22236a6cee
SHA3-384 hash:	96f9f1422d800abf9c4fad5223b66a66f1af2ecb4b2296692d00987d437d698a1890290edbff1aeaa27cc606dc72fb82
SHA1 hash:	0bd754f7fb5dd002c9ff6b2f24f46907ba6f1d83
MD5 hash:	6729f33c27fba9320ff7d27baee5804f
humanhash:	spring-edward-princess-august
File name:	DOCUMENT4541334152662FEDEX.xls
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	30'208 bytes
First seen:	2026-09-03 12:33:48 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	768:OKk3hOdsylKlgryzc4bNhZFGzE+cL2knAJDLafoe5HG/c:pk3hOdsylKlgryzc4bNhZFGzE+cL2knL
TLSH	T105D24FA2B2D6D80AD94503394CE7C6E66726FC225F63934B3289F31E1F71BC08A43657
TrID	34.9% (.XLS) Microsoft Excel sheet (32500/1/3) 30.1% (.XLS) Microsoft Excel sheet (alternate) (28000/1/3) 26.3% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2) 8.6% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika	xls
Reporter	abuse_ch
Tags:	RemcosRAT xls

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id

Maldoc score: 30

Application name is Microsoft Excel

File Format is MS Excel 97-2003

Container Format is OLE

Office document contains VBA Macros

OLE dump

MalwareBazaar was able to identify 11 sections in this file using oledump:

Section ID	Section size	Section name
1	107 bytes	CompObj
2	244 bytes	DocumentSummaryInformation
3	200 bytes	SummaryInformation
4	15781 bytes	Workbook
5	467 bytes	_VBA_PROJECT_CUR/PROJECT
6	86 bytes	_VBA_PROJECT_CUR/PROJECTwm
7	2995 bytes	_VBA_PROJECT_CUR/VBA/Module1
8	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
9	1199 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
10	2770 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
11	570 bytes	_VBA_PROJECT_CUR/VBA/dir

OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

Type	Keyword	Description
AutoExec	Workbook_Open	Runs when the Excel Workbook is opened
IOC	https://cdn.discordapp.com/attachments/1544901906462281769/1545042621699985479/t63a16e0840ec6d5b1202da152374a1b49bd0ee0a	URL
IOC	tio8EV7mMMeI3uW.exe	Executable file name
IOC	DOCUMENT4541334152662FEDEX.exe	Executable file name
Suspicious	Open	May open a file
Suspicious	Write	May write to a file (if combined with Open)
Suspicious	Binary	May read or write a binary file (if combinedwith Open)
Suspicious	ADODB.Stream	May create a text file
Suspicious	SaveToFile	May create a text file
Suspicious	Shell	May run an executable file or a systemcommand
Suspicious	Wscript.Shell	May run an executable file or a systemcommand
Suspicious	Run	May run an executable file or a systemcommand
Suspicious	Create	May execute file or a system command throughWMI
Suspicious	CreateObject	May create an OLE object
Suspicious	MSXML2.XMLHTTP	May download files from the Internet
Suspicious	Hex Strings	Hex-encoded strings were detected, may beused to obfuscate strings (option --decode tosee all)

Intelligence

File Origin

# of uploads :

# of downloads :

166

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

MSO

Details

Link:

https://research.acce.ciphertechsolutions.com/results/057eb97c-1998-45fb-935c-e5ef52fe9b5b/

Malware family:

remcos

ID:

File name:

xls

Verdict:

Malicious activity

Analysis date:

2026-09-03 12:43:46 UTC

Tags:

macros macros-on-open discord loader remcos rat auto-reg

Link:

https://app.any.run/tasks/3438c17e-bb1d-4e13-b8de-13b7626c711c

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Legit

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

False

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/83774/

Detection(s):

TwinWave.EvilDoc.DiscordCDNAbuseFinalLap.20210817.UNOFFICIAL

TwinWave.EvilDoc.DLAndDetonateBlameMe.20220110.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Creating a window

Сreating synchronization primitives

Creating a file

Creating a file in the Windows subdirectories

Launching a process

Creating a process with a hidden window

Connection attempt by exploiting the app vulnerability

Unauthorized injection to a recently created process

Sending a custom TCP request by exploiting the app vulnerability

Creating a process from a recently created file

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/f6abab0a0c4bfb923dfa750ab928ccdf8f4a147c6185c832afa7ec22236a6cee/results/dashboard

Behaviour

BlacklistAPI detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

dropper macros macros-on-open packed

Link:

https://www.filescan.io/uploads/6a996947a157a19c0e5db182/reports/b4ddc4c2-8dd5-4de1-88d0-5bfee5514369/overview

Verdict:

Malicious

Labled as:

GT:VB.AutDwnlRner.1

Link:

https://www.hybrid-analysis.com/sample/f6abab0a0c4bfb923dfa750ab928ccdf8f4a147c6185c832afa7ec22236a6cee

Label:

Benign

Suspicious Score:

/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=6d6e4006-e4bb-474c-962e-a4da95beecf0

Verdict:

Malicious

File Type:

xls

First seen:

2026-09-03T09:19:00Z UTC

Last seen:

2026-09-04T10:30:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/f6abab0a0c4bfb923dfa750ab928ccdf8f4a147c6185c832afa7ec22236a6cee/results?tab=lookup

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1968007

Signature

.NET source code contains method to dynamically call methods (often used by packers)

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to inject threads in other processes

Contains functionality to steal Internet Explorer form passwords

Creates an autostart registry key pointing to binary in C:\Windows

Creates autostart registry keys with suspicious values (likely registry only malware)

Detected Remcos RAT

Disable UAC(promptonsecuredesktop)

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with functions possibly related to ADO stream file operations

Document contains an embedded VBA with functions possibly related to HTTP operations

Document contains an embedded VBA with hexadecimal encoded strings

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Drops PE files to the document folder of the user

Found malware configuration

Found stalling execution ending in API Sleep call

Found suspicious powershell code related to unpacking or dynamic code loading

Injects a PE file into a foreign processes

Installs a global keyboard hook

Loading BitLocker PowerShell Module

Malicious sample detected (through community Yara rule)

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Office process drops PE file

Office process queries suspicious COM object (likely to drop second stage)

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: Office product drops executable at suspicious location

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Remcos

Sigma detected: Suspicious Binary In User Directory Spawned From Office Application

Suspicious powershell command line found

Tries to detect sandboxes / dynamic malware analysis system (Installed program check)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file registry)

Unusual module load detection (module proxying)

Uses dynamic DNS services

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/f6abab0a0c4bfb923dfa750ab928ccdf8f4a147c6185c832afa7ec22236a6cee

Verdict:

Malware

YARA:

6 match(es)

Tags:

ADODB.Stream Blacklist VBA COM Behavior Trace DeObfuscated MSXML2.XMLHTTP Obfuscated Office Document SOS: 0.31 SOS: 0.32 T1027 T1059.005 T1105 VBScript Wscript.Shell

Link:

https://app.malva.re/file/6729f33c27fba9320ff7d27baee5804f

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/f6abab0a0c4bfb923dfa750ab928ccdf8f4a147c6185c832afa7ec22236a6cee/

Threat name:

Document-Office.Trojan.AutDwnlRner

Status:

Malicious

First seen:

2026-09-03 12:34:46 UTC

File Type:

Document

Extracted files:

AV detection:

13 of 36 (36.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=62v2wcqmjp5zepp2ouflskgm36huufd4mgc4qmvpu7wcei3kntxa._file

Verdict:

malicious

Label(s):

Remcos

Link:

https://reports.threatray.com/f9bdc7ab-784a-4496-ad92-a9e8697faba0

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost collection discovery evasion execution macro macro_on_action persistence rat spyware stealer trojan

Link:

https://tria.ge/reports/260903-prwl6sgq81/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

Enumerates physical storage devices

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Adds Run key to start application

Checks installed software on the system

Checks computer location settings

Executes dropped EXE

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

Downloads MZ/PE file

Family: Remcos

Modifies Windows Defender DisableAntiSpyware settings

Malware Config

C2 Extraction:

ruffyayeaye.ddns.net:2404

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f6abab0a0c4b/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f6abab0a0c4bfb923dfa750ab928ccdf8f4a147c6185c832afa7ec22236a6cee

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	dsc Create hunting rule
Author:	Aaron DeVera
Description:	Discord domains

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	informational_win_ole_protected Create hunting rule
Author:	Jeff White (karttoon@gmail.com) @noottrak
Description:	Identify OLE Project protection within documents.

Rule name:	SUSP_Websites Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects the reference of suspicious sites that might be used to download further malware

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape

https://www.capesandbox.com/analysis/83774/

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